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Silky Oatgrass

Danthonia sericea

Found in dry forests and woodlands; forests and woodlands; cliffs, ledges and rocky summits; forest edges and thickets; roadsides, fields and disturbed ground. Weakley, Flora of the Southeastern United States (2025), Florida edition What its natural habitat tells you

24
Good

Native to Florida. How scores work Is it native here?

Profile 82%

Height
3–6 feet
Spread
1–3 feet
Light
Full sun, Partial shade
Soil moisture
Somewhat dry to moist

Space about 2 ft apart from its recorded spread, about 25 per 100 sq ft. Enter your bed size for a count

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At a glance

Life cycle
Perennial
Leaves
Deciduous

Not yet recorded · Bloom

Recorded in 12 Florida counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 5

Forests and woodlands

Trail on Little Kennesaw Mountain.
Named place / source context. Shown: Kennesaw Mountain National Battlefield Park, Georgia, a neighboring state.Trail on Little Kennesaw Mountain., Unidentified in HFC record, undated. Public domain. Source record.

Cliffs, ledges and rocky summits

Trees and rocks on Little Kennesaw Mountain.
Named place / source context. Shown: Kennesaw Mountain National Battlefield Park, Georgia, a neighboring state.Trees and rocks on Little Kennesaw Mountain., Unidentified in HFC record, undated. Public domain. Source record.

Forest edges and thickets

Wooded scene looking out over partially open fields
Named place / source context. Shown: Chickamauga and Chattanooga National Military Park, Georgia and Tennessee; which part is not recorded, a neighboring state.Wooded scene looking out over partially open fields, Richard Schlecht, undated. Public domain. Source record.

Dry forests and woodlands

Forests and open woodlands on dry ridges and slopes, often oak or pine.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Florida. Shared habitat, not food. 79 animals.

All wildlife of Florida

Ecological relationships

Who uses this plant?

What these records mean

1CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Danthonia

  • Cercyonis pegalaCommon Wood Nymph
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
1BeesSoutheastern regional records

Southeastern regional records · Danthonia

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
3BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Danthonia

  • Pooecetes gramineusVesper Sparrow
  • Spizella passerinaChipping Sparrow
  • Spizella pusillaField Sparrow
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Poaceae
Hardiness
Zones 6a–9b
Soil pH
Acidic to neutral
Flower color
Not applicable

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Danthonia sericea var. sericea; Silky Oat Grass

Conservation status

Florida rankSNR
Global rankG5?
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources